The key to a really delicious soup? Cheese. But of course cheese ... Put the oil in a large saucepan on a medium heat and add the chopped vegetables. Mix well to begin to soften.

You can also serve the soup with chunky pieces rather than blitzing if you prefer, or blitz half and mix with the rest of the veg. This soup will freeze well for at least 4 months. Cool thoroughly ...

See the tips section for ideas. Serve with pasta; stir through cooked rice; spread over naan bread or flatbread for a quick pizza; mix with a little hot stock for a quick vegetable soup.